Metadata
The POSHDOC Metadata Approach
Relevant Metadata
Apart from the content itself, any document has associated a wealth of properties with different use cases:- Authorship and usage rights
- Age / actuality
- Content classification
- Presentation / format
- Location
Dublin Core
Originating in the librarian community, the Dublin Core provides a definition for a minimum set of metadata attributes: the Dublin Core Metadata Element Set — DCMES consisting of 15 elements1. The Qualified Dublin Core is a later defined superset of the DCMES.
Here is a short overview of the implementation of the DCMES in POSHDOC:- Title
- Present as HTML
title
element inside theheader
element and as theh1
element inside thebody/article/header
element nesting. - Creator
- An entity primarily responsible for making the resource. While a metadata markup is yet to be defined , online content can fall back to the domain part of the URL as a reference of this element.
- Subject
-
The topic of the resource.
To be defined
. Can be added via
hyperlinks when keywords are desired. Several use cases require controlled vocabularies with a specific semantic. The author has used institution specific document types like: Specification, Meeting Note, User Manual, … in several circumstances for the Subject element.<a rel="tag" href="…
- Description
- Present as HTML
content
attribute of thehead/meta
element with thename="description"
attribute. - Publisher
- An entity responsible for making the resource available. to be defined , online content can fall back to the domain part of the URL as a reference of this element.
- Contributor
- Can be added via mf2 authorship3
- Date
- Can be added
via mf2
h-entry
dt-published
anddt-updated
properties. - Type
- POSHDOCs are always of type2
Text
- Format
- POSHDOCs are always of format
text/html
4. A registration of an additional MIME formattext/poshdoc
with file name extension.pdoc
is to be defined . - Identifier
-
To be defined
. Online content can fall back to the URL as a
reference of this element. An URL can also be specified via
a
hyperlink.<a rel="bookmark" href="…
- Source
- To be defined
- Language
- Specified in the
charset
attribute of theheader/meta
element. - Relation
- Can be added via the
rel
attribute of thea
element when used as internal or external link. Prospective attribute values are:alternate
,help
,next
,prev
. - Coverage
- The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant. . To be defined .
- Rights
- Can be added in the
article/footer/small
element and referred to via a
hyperlink.<a rel="license" href=…
References
ToDo: Add publishers, authors and years.
- [1]
- DCMI: DCMI Metadata Terms
- [2]
- DCMI: DCMI Type Vocabulary
- [3]
- authorship - IndieWeb
- [4]
- Media Types, IANA